This is website in which I believe in dealing of shares in on line . I am dealing with shares that is selling or buying in on line in this website since last 5years. I have a d mate account in karvy consultancy .when I want to purchase a shares in on line I go to buying options and put the d mate account and account number and transfer the details . they will credit the shares to my account with out any problem.
As the same procedures if I want to sell the shares I will go to options and sell .by up grading the account details . the I will get the share amount to my account after deducting the tax and brokerage . still now I did not got any problem for transaction of shares. I lastly ask people who wants to do shares business in on line please refer to this site.